Madanswer Technologies Interview Questions Data|Agile|DevOPs|Python - Recent questions in Spark Sql

In PySpark, sorting is in _________ order, by defaul

Sat, 19 Aug 2023 00:45:07 +0000

In PySpark, sorting is in _________ order, by defaul

Parallelized collections are created by calling SparkContext’s parallelize method on an existing iterable or collection in driver program.

Sat, 19 Aug 2023 00:43:53 +0000

Parallelized collections are created by calling SparkContext’s parallelize method on an existing iterable or collection in driver program.

1. True

2. False

Spark was first coded as a C project

Sat, 19 Aug 2023 00:43:01 +0000

Spark was first coded as a C project

If the schema of the table does not match with the data types present in the file containing the table, then Hive ________

Sat, 19 Aug 2023 00:41:27 +0000

If the schema of the table does not match with the data types present in the file containing the table, then Hive ________

Hbase is a distributed ________ database built on top of the Hadoop file system.

Sat, 19 Aug 2023 00:40:30 +0000

Hbase is a distributed ________ database built on top of the Hadoop file system.

Registering a DataFrame as a ________ view allows you to run SQL queries over its data.

Sat, 19 Aug 2023 00:39:33 +0000

Registering a DataFrame as a ________ view allows you to run SQL queries over its data.

____________ is a component on top of Spark Core.

Sat, 19 Aug 2023 00:37:01 +0000

____________ is a component on top of Spark Core.

Co-Variance of two random columns is near to

Sat, 19 Aug 2023 00:36:10 +0000

Co-Variance of two random columns is near to

Which among the following is an example of Action

Sat, 19 Aug 2023 00:34:07 +0000

Which among the following is an example of Action

Spark SQL supports reading and writing data stored in Hive

Fri, 18 Aug 2023 01:22:47 +0000

Spark SQL supports reading and writing data stored in Hive

External tables are used to store data outside the

Fri, 18 Aug 2023 01:21:42 +0000

External tables are used to store data outside the

How to create a table in Hive warehouse programatically from Spark

Fri, 18 Aug 2023 01:20:43 +0000

How to create a table in Hive warehouse programatically from Spark

We cannot pass SQL queries directly to any DataFrame

Fri, 18 Aug 2023 01:19:54 +0000

We cannot pass SQL queries directly to any DataFrame

Spark SQL brings native support for SQL to Spark

Fri, 18 Aug 2023 01:19:09 +0000

Spark SQL brings native support for SQL to Spark

Spark SQL does not provide support for both reading and writing Parquet files

Fri, 18 Aug 2023 01:18:23 +0000

Spark SQL does not provide support for both reading and writing Parquet files

Parquet stores nested data structures in a flat ________ format

Fri, 18 Aug 2023 01:16:45 +0000

Parquet stores nested data structures in a flat ________ format

DataFrame is data organized into ______ columns

Fri, 18 Aug 2023 01:15:52 +0000

DataFrame is data organized into ______ columns

Spark SQL can read and write data from Hive Tables

Fri, 18 Aug 2023 01:15:09 +0000

Spark SQL can read and write data from Hive Tables

1. True

2. False

What is Spark SQL's Tungsten engine?

Sun, 12 Feb 2023 15:21:52 +0000

What is Spark SQL's Tungsten engine?

What is the difference between a DataFrame and a Dataset in Spark SQL?

Sun, 12 Feb 2023 15:20:59 +0000

What is the difference between a DataFrame and a Dataset in Spark SQL?

What is a DataFrame in Spark SQL?

Sun, 12 Feb 2023 15:20:25 +0000

What is a DataFrame in Spark SQL?

What is the Spark SQL API?

Sun, 12 Feb 2023 15:19:57 +0000

What is the Spark SQL API?

How does Spark SQL differ from traditional SQL?

Sun, 12 Feb 2023 15:19:27 +0000

How does Spark SQL differ from traditional SQL?

What is Spark SQL?

Sun, 12 Feb 2023 15:19:04 +0000

What is Spark SQL?

What is Spring AOP Proxy pattern?

Sun, 04 Apr 2021 04:55:21 +0000

What is Spring AOP Proxy pattern?

What are the features of Spark RDD?

Mon, 08 Jun 2020 04:51:14 +0000

What are the features of Spark RDD?

(1)In-memory computation

(2)Lazy evaluations

(3)Fault Tolerance

(4)All of the above

How many Spark Context can be active per JVM?

Mon, 08 Jun 2020 04:50:17 +0000

How many Spark Context can be active per JVM?

(1)More than one

(2)Only one

(3)Not specific

(4)None of the above

What is BlinkDB in Spark?

Sat, 14 Mar 2020 08:09:46 +0000

What is BlinkDB in Spark?

How Apache Spark uses Akka in Spark?

Sat, 14 Mar 2020 08:09:26 +0000

How Apache Spark uses Akka in Spark?

What are the Row objects in Spark?

Sat, 14 Mar 2020 08:09:07 +0000

What are the Row objects in Spark?

What is Lazy Evaluation in Spark?

Sat, 14 Mar 2020 08:08:49 +0000

What is Lazy Evaluation in Spark?

What is the role of checkpoints in Spark?

Sat, 14 Mar 2020 08:08:24 +0000

What is the role of checkpoints in Spark?

Explain about sparse vector in Spark

Sat, 14 Mar 2020 08:08:03 +0000

Explain about sparse vector in Spark

What are the core components in a distributed Spark application in Spark?

Sat, 14 Mar 2020 08:07:48 +0000

What are the core components in a distributed Spark application in Spark?

What are the different storage/persistence levels in Apache Spark in Spark?

Sat, 14 Mar 2020 08:07:25 +0000

What are the different storage/persistence levels in Apache Spark in Spark?

Explain the types of DStream transformations in Spark?

Sat, 14 Mar 2020 08:06:52 +0000

Explain the types of DStream transformations in Spark?

What is meany by DStream in Spark?

Sat, 14 Mar 2020 08:06:33 +0000

What is meany by DStream in Spark?

How to connect Spark with Apache Mesos in Spark?

Sat, 14 Mar 2020 08:06:13 +0000

How to connect Spark with Apache Mesos in Spark?

What are the demerits of Spark in Spark?

Sat, 14 Mar 2020 08:03:54 +0000

What are the demerits of Spark in Spark?

Define Worker node in Spark?

Sat, 14 Mar 2020 08:03:38 +0000

Define Worker node in Spark?

How can we use Spark as the alongside Hadoop in Spark?

Sat, 14 Mar 2020 08:03:19 +0000

How can we use Spark as the alongside Hadoop in Spark?

What are the advantages of Spark over Hadoop MapReduce in Spark?

Sat, 14 Mar 2020 08:02:27 +0000

What are the advantages of Spark over Hadoop MapReduce in Spark?

What are the functions of Spark SQL in Spark?

Sat, 14 Mar 2020 08:02:05 +0000

What are the functions of Spark SQL in Spark?

What is meant by Parquet file in Spark?

Sat, 14 Mar 2020 08:01:36 +0000

What is meant by Parquet file in Spark?

What are the functions of SparkCore in Spark?

Sat, 14 Mar 2020 08:01:17 +0000

What are the functions of SparkCore in Spark?

Why we have to use broadcast variables while working with Spark in Spark?

Sat, 14 Mar 2020 08:00:47 +0000

Why we have to use broadcast variables while working with Spark in Spark?

How to minimize data transfers working with Spark in Spark?

Sat, 14 Mar 2020 08:00:25 +0000

How to minimize data transfers working with Spark in Spark?

Write about the Actions in Spark?

Sat, 14 Mar 2020 08:00:07 +0000

Write about the Actions in Spark?

Define Spark Streaming in Spark?

Sat, 14 Mar 2020 07:59:52 +0000

Define Spark Streaming in Spark?

Explain about partitions in Apache Spark in Spark?

Sat, 14 Mar 2020 07:59:28 +0000

Explain about partitions in Apache Spark in Spark?